noun. Definition of simian (Entry 2 of 2) : monkey, ape also : any of a suborder (Anthropoidea) of primates that includes monkeys, apes, and humans.

Does Simian mean monkey?

any of the monkeys or apes, classified into two subdivisions, the platyrrhines (New World monkeys) and the catarrhines (Old World monkeys and apes, including humans).

What is the difference between ape and simian?

As nouns the difference between ape and simian is that ape is (zoology) a primate of the clade hominoidea, generally larger than monkeys and distinguished from them by having no tail while simian is a monkey or an ape, especially an anthropoid.